Question: Show that the formula for the distance d between two points P 1 = (r 1 , 1 ) and P 2 = (r

Show that the formula for the distance d between two points P1 = (r1, θ1) and P2 = (r2, θ2).

d = Vri +h – 2r;r2 cos(02 – 01) %3D

d = Vri +h 2r;r2 cos(02 01) %3D

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